*{
    padding: 0;
    margin: 0;
}
.text{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
}
.text-main{
    flex: 1;
    display: flex;
    flex-direction: column;
}
.text-footer{
    width: 100%;
    height: 60px;
    border-top: 1px solid #ccc;
    display: flex;
    justify-content: space-around;
}
.text-main-nav{
    width: 100%;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    border-bottom: 1px solid #f2f2f2;
}
.text-main-main{
    flex: 1;
}
.text-item{
    width: 90%;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    margin: 10px 20px;
    border: 1px solid #ccc;
}
.chou{
    font-size: 40px;
}
.active{
    color:red
}